Search a number
-
+
151621092 = 2233734093
BaseRepresentation
bin10010000100110…
…00110111100100
3101120022011001000
421002120313210
5302303333332
623013433300
73520521000
oct1102306744
9346264030
10151621092
117864a197
124293b830
1325548a2c
14161cb700
15d49eb7c
hex9098de4

151621092 has 96 divisors (see below), whose sum is σ = 458528000. Its totient is φ = 43309728.

The previous prime is 151621087. The next prime is 151621111. The reversal of 151621092 is 290126151.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34998 + ... + 39090.

Almost surely, 2151621092 is an apocalyptic number.

151621092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151621092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229264000).

151621092 is an abundant number, since it is smaller than the sum of its proper divisors (306906908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151621092 is a wasteful number, since it uses less digits than its factorization.

151621092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127 (or 4105 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 151621092 is about 12313.4516688051. The cubic root of 151621092 is about 533.2365051647.

The spelling of 151621092 in words is "one hundred fifty-one million, six hundred twenty-one thousand, ninety-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 108 126 147 189 196 252 294 343 378 441 588 686 756 882 1029 1323 1372 1764 2058 2646 3087 4093 4116 5292 6174 8186 9261 12279 12348 16372 18522 24558 28651 36837 37044 49116 57302 73674 85953 110511 114604 147348 171906 200557 221022 257859 343812 401114 442044 515718 601671 773577 802228 1031436 1203342 1403899 1547154 1805013 2406684 2807798 3094308 3610026 4211697 5415039 5615596 7220052 8423394 10830078 12635091 16846788 21660156 25270182 37905273 50540364 75810546 151621092