Search a number
-
+
7452243428 = 227431617521
BaseRepresentation
bin1101111000011000…
…00011010111100100
3201020100201012010212
412330030003113210
5110230233242203
63231251234552
7352450011140
oct67414032744
921210635125
107452243428
113184662873
12153b8a8a58
13919c09ac6
14509a40220
152d939c1d8
hex1bc3035e4

7452243428 has 24 divisors (see below), whose sum is σ = 14939092224. Its totient is φ = 3186403200.

The previous prime is 7452243427. The next prime is 7452243433. The reversal of 7452243428 is 8243422547.

It is a super-2 number, since 2×74522434282 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7452243427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296693 + ... + 320828.

It is an arithmetic number, because the mean of its divisors is an integer number (622462176).

Almost surely, 27452243428 is an apocalyptic number.

It is an amenable number.

7452243428 is an abundant number, since it is smaller than the sum of its proper divisors (7486848796).

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

7452243428 is a wasteful number, since it uses less digits than its factorization.

7452243428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617963 (or 617961 counting only the distinct ones).

The product of its digits is 430080, while the sum is 41.

The square root of 7452243428 is about 86326.3773594143. The cubic root of 7452243428 is about 1953.2702895884.

The spelling of 7452243428 in words is "seven billion, four hundred fifty-two million, two hundred forty-three thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 431 862 1724 3017 6034 12068 617521 1235042 2470084 4322647 8645294 17290588 266151551 532303102 1064606204 1863060857 3726121714 7452243428