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121950372 = 22337349787
BaseRepresentation
bin1110100010011…
…01000010100100
322111110201110110
413101031002210
5222204402442
620033453020
73010363305
oct721150244
9274421413
10121950372
1162924135
1234a11170
131c35a8ab
14122a67ac
15aa8d69c
hex744d0a4

121950372 has 48 divisors (see below), whose sum is σ = 293451200. Its totient is φ = 39388032.

The previous prime is 121950349. The next prime is 121950377. The reversal of 121950372 is 273059121.

It is not an unprimeable number, because it can be changed into a prime (121950377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154563 + ... + 155349.

Almost surely, 2121950372 is an apocalyptic number.

121950372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121950372 is an abundant number, since it is smaller than the sum of its proper divisors (171500828).

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

121950372 is a wasteful number, since it uses less digits than its factorization.

121950372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 121950372 is about 11043.1142346713. The cubic root of 121950372 is about 495.9003062294.

The spelling of 121950372 in words is "one hundred twenty-one million, nine hundred fifty thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 349 444 698 787 1047 1396 1574 2094 2361 3148 4188 4722 9444 12913 25826 29119 38739 51652 58238 77478 87357 116476 154956 174714 274663 349428 549326 823989 1098652 1647978 3295956 10162531 20325062 30487593 40650124 60975186 121950372