Search a number
-
+
30861702 = 2334313291
BaseRepresentation
bin111010110111…
…0100110000110
32011001221022000
41311232212012
530400033302
63021250130
7523214544
oct165564606
964057260
1030861702
1116469943
12a403946
136517281
144154d94
152a9931c
hex1d6e986

30861702 has 32 divisors (see below), whose sum is σ = 70181760. Its totient is φ = 10047240.

The previous prime is 30861683. The next prime is 30861703. The reversal of 30861702 is 20716803.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30861703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4324 + ... + 8967.

It is an arithmetic number, because the mean of its divisors is an integer number (2193180).

Almost surely, 230861702 is an apocalyptic number.

30861702 is an abundant number, since it is smaller than the sum of its proper divisors (39320058).

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

30861702 is a wasteful number, since it uses less digits than its factorization.

30861702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13345 (or 13339 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 30861702 is about 5555.3309532376. The cubic root of 30861702 is about 313.6702218818.

The spelling of 30861702 in words is "thirty million, eight hundred sixty-one thousand, seven hundred two".

Divisors: 1 2 3 6 9 18 27 43 54 86 129 258 387 774 1161 2322 13291 26582 39873 79746 119619 239238 358857 571513 717714 1143026 1714539 3429078 5143617 10287234 15430851 30861702